Writing instrument



FIG. 1 is a front side elevational view of the writing instrument ofthis invention, the rear side elevational view being a mirror imagethereof;

FIG. 2 is a right side elevational view of the writing instrument ofthis invention;

FIG. 3 is a left side elevational view of the writing instrument of thisinvention;

FIG. 4 is a top plan view of the writing instrument of this invention;and,

FIG. 5 is a bottom plan view of the writing instrument of thisinvention.

The ornamental design for a writing instrument, as shown and described.